Written by
Clara Bennett Appliance Care EditorPublished September 3, 2026Updated October 20, 2026
Content status:
Verified
Error codeFOOD PROBE (PT1)
ApplianceBlast Chiller
Quick answer
FOOD PROBE (PT1) is the failure alarm for insert probe core 1; the manual says to call service.
Model compatibility: U-Line reuses codes across series and model years, so FOOD PROBE (PT1) may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Insert probe core 1 failure. Call service.
What FOOD PROBE (PT1) means
FOOD PROBE (PT1) reports that insert probe core 1 has failed. The manual’s instruction is to call service.
Models
The alarm is listed for the UCBF432, UCBF532, UCBF632, UCBF559 and UCBF659 touch screen blast chillers.
Seeing PT1 on a Los Angeles U-Line blast chiller? Call (310) 879-5776 and have the model number and your steps so far ready. Our refrigeration service page has more.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your U-Line appliance?
Book a specialist visit for a clear estimate and approval before any repair.
U-Line products are compact, built-in, and often visually similar across generations. Effective repair starts with the exact model, the symptom you can…
